PiSpirals

http://www.joyofpi.com
Everything you ever wanted to know about the number pi.

The Prime Pages (prime number research, records and resources)

http://primes.utm.edu

Wolfram MathWorld: The Web's Most Extensive Mathematics Resource

http://mathworld.wolfram.com
Self-proclaimed most extensive mathematics resource on the web. Site created, developed, and nurtured by Dr. Eric Weisstein, who began compiling when he was a HS student.

sign of the times

Another step towards Caterpillar's evolution to a "management" corporation with no physical product.  Sad.  Very sad.  What else can I say?

Attachment: TPS-04-2010-1-la.pdf

voice for voiceless

a critical group

My site is starting to develop a following, but they seem to be a very undecided group.  Their faces are filled with questions.

going into marriage with a clear mind

An interesting study on the effects of oxytocin on mammals.  Makes a good argument against using pre-marital sex as a "test" before marriage.  http://www.oxytocin.org/oxy/wide.html  (This same page has an interesting link for "When Is It Best To Take Crack Cocaine?"  http://www.cocaine.org/)

Dr. Jennifer Roback Morse (http://ruthinstitute.org/) has written a book on the same subject you might want to check out:  "SMART SEX Finding Life Long Love in a Hook Up World"  http://jennifer-roback-morse.com/pages/catalog.html#